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1 | /* |
1 | /* |
2 | * Copyright (c) 2009 Lukas Mejdrech |
2 | * Copyright (c) 2009 Lukas Mejdrech |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup net |
29 | /** @addtogroup net |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | 32 | ||
33 | /** @file |
33 | /** @file |
34 | * Host - network byte order manipulation functions. |
34 | * Host - network byte order manipulation functions. |
35 | */ |
35 | */ |
36 | 36 | ||
37 | #ifndef __NET_BYTEORDER_H__ |
37 | #ifndef __NET_BYTEORDER_H__ |
38 | #define __NET_BYTEORDER_H__ |
38 | #define __NET_BYTEORDER_H__ |
39 | 39 | ||
40 | #include <byteorder.h> |
40 | #include <byteorder.h> |
41 | 41 | ||
42 | #include <sys/types.h> |
42 | #include <sys/types.h> |
43 | 43 | ||
44 | #ifdef ARCH_IS_BIG_ENDIAN |
44 | #ifdef ARCH_IS_BIG_ENDIAN |
45 | 45 | ||
46 | // Already in the network byte order. |
46 | // Already in the network byte order. |
47 | 47 | ||
48 | /** Converts the given short number ( 16 bit ) from the host byte order to the network byte order ( big endian ). |
48 | /** Converts the given short number ( 16 bit ) from the host byte order to the network byte order ( big endian ). |
49 | * @param number The number in the host byte order to be converted. |
49 | * @param[in] number The number in the host byte order to be converted. |
50 | * @returns The number in the network byte order. |
50 | * @returns The number in the network byte order. |
51 | */ |
51 | */ |
52 | #define htons( number ) ( number ) |
52 | #define htons( number ) ( number ) |
53 | 53 | ||
54 | /** Converts the given long number ( 32 bit ) from the host byte order to the network byte order ( big endian ). |
54 | /** Converts the given long number ( 32 bit ) from the host byte order to the network byte order ( big endian ). |
55 | * @param number The number in the host byte order to be converted. |
55 | * @param[in] number The number in the host byte order to be converted. |
56 | * @returns The number in the network byte order. |
56 | * @returns The number in the network byte order. |
57 | */ |
57 | */ |
58 | #define htonl( number ) ( number ) |
58 | #define htonl( number ) ( number ) |
59 | 59 | ||
60 | /** Converts the given short number ( 16 bit ) from the network byte order ( big endian ) to the host byte order. |
60 | /** Converts the given short number ( 16 bit ) from the network byte order ( big endian ) to the host byte order. |
61 | * @param number The number in the network byte order to be converted. |
61 | * @param[in] number The number in the network byte order to be converted. |
62 | * @returns The number in the host byte order. |
62 | * @returns The number in the host byte order. |
63 | */ |
63 | */ |
64 | #define ntohs( number ) ( number ) |
64 | #define ntohs( number ) ( number ) |
65 | 65 | ||
66 | /** Converts the given long number ( 32 bit ) from the network byte order ( big endian ) to the host byte order. |
66 | /** Converts the given long number ( 32 bit ) from the network byte order ( big endian ) to the host byte order. |
67 | * @param number The number in the network byte order to be converted. |
67 | * @param[in] number The number in the network byte order to be converted. |
68 | * @returns The number in the host byte order. |
68 | * @returns The number in the host byte order. |
69 | */ |
69 | */ |
70 | #define ntohl( number ) ( number ) |
70 | #define ntohl( number ) ( number ) |
71 | 71 | ||
72 | #else |
72 | #else |
73 | 73 | ||
74 | // Has to be swapped. |
74 | // Has to be swapped. |
75 | 75 | ||
76 | /** Converts the given short number ( 16 bit ) from the host byte order to the network byte order ( big endian ). |
76 | /** Converts the given short number ( 16 bit ) from the host byte order to the network byte order ( big endian ). |
77 | * @param number The number in the host byte order to be converted. |
77 | * @param[in] number The number in the host byte order to be converted. |
78 | * @returns The number in the network byte order. |
78 | * @returns The number in the network byte order. |
79 | */ |
79 | */ |
80 | #define htons( number ) uint16_t_byteorder_swap(( uint16_t )( number )) |
80 | #define htons( number ) uint16_t_byteorder_swap(( uint16_t )( number )) |
81 | 81 | ||
82 | /** Converts the given long number ( 32 bit ) from the host byte order to the network byte order ( big endian ). |
82 | /** Converts the given long number ( 32 bit ) from the host byte order to the network byte order ( big endian ). |
83 | * @param number The number in the host byte order to be converted. |
83 | * @param[in] number The number in the host byte order to be converted. |
84 | * @returns The number in the network byte order. |
84 | * @returns The number in the network byte order. |
85 | */ |
85 | */ |
86 | #define htonl( number ) uint32_t_byteorder_swap( number ) |
86 | #define htonl( number ) uint32_t_byteorder_swap( number ) |
87 | 87 | ||
88 | /** Converts the given short number ( 16 bit ) from the network byte order ( big endian ) to the host byte order. |
88 | /** Converts the given short number ( 16 bit ) from the network byte order ( big endian ) to the host byte order. |
89 | * @param number The number in the network byte order to be converted. |
89 | * @param[in] number The number in the network byte order to be converted. |
90 | * @returns The number in the host byte order. |
90 | * @returns The number in the host byte order. |
91 | */ |
91 | */ |
92 | #define ntohs( number ) uint16_t_byteorder_swap(( uint16_t )( number )) |
92 | #define ntohs( number ) uint16_t_byteorder_swap(( uint16_t )( number )) |
93 | 93 | ||
94 | /** Converts the given long number ( 32 bit ) from the network byte order ( big endian ) to the host byte order. |
94 | /** Converts the given long number ( 32 bit ) from the network byte order ( big endian ) to the host byte order. |
95 | * @param number The number in the network byte order to be converted. |
95 | * @param[in] number The number in the network byte order to be converted. |
96 | * @returns The number in the host byte order. |
96 | * @returns The number in the host byte order. |
97 | */ |
97 | */ |
98 | #define ntohl( number ) uint32_t_byteorder_swap( number ) |
98 | #define ntohl( number ) uint32_t_byteorder_swap( number ) |
99 | 99 | ||
100 | #endif |
100 | #endif |
101 | 101 | ||
102 | #endif |
102 | #endif |
103 | 103 | ||
104 | /** @} |
104 | /** @} |
105 | */ |
105 | */ |
106 | 106 |